What is the function of the umbilical cord?

5

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What is the chorioallantois membrane present in the embryonic development of reptiles and birds? How does this membrane participate in the energetic metabolism of the embryo?

5

---

How does the embryo turn from gastrula into neurula? How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates?

5

---

What are the four initial stages of the embryonic development?

5

---

What is the cell division process directly related to the embryonic growth?

5

---

What are the endocrine functions of the placenta?

5

---

What are the cells produced in the first stage of the embryonic development called?

5

---

What is notochord? How is this structure formed?

5

---

What are twins? Genetically what are the two types of twins that can be generated?

5

---

What is polyembryony?

5

---

What are the problems we could face by using this genetic engineering tools?

1021

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Do you know how the dose for children is being estimated based on preclinical data?

996

---

What are the units of ph?

1068

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What is the structure of cscl

1018

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Define the phenomenon catenation.

1196

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